INDEX. 
Delphinium 
vimineum D. Don, 445 
virescens Gray, 445 
virescens Nutt., 446 
virescens Rydb., 437 
virgatum Jacq., 448 
viride Wats., 438 
viridescens Leiberg, 436 
Wislizeni Engelm., 454 | 
Wootoni Rydb., 445 
Zalil Ait. & Hems., 437 | 
Deringa canadensis (L.) Kuntze, 362, | 
400, 588 
Descurainia pinnata Britton, 30 
Dianthus caryophyllus L., 543 
Diatomacez, 610 
Diatomez, 614 
Diceoma Viole Kuntze, 633 
Dichelyma pallescens B. S., 44 
Dichothrix calcarea Tilden, 27 
Dicranum, 36 
boryeani De Not., 37 
drummondii C. Mull., 37 
flagellare Hedw., 38 
fuscescens Turn., 38 
longifolium Hedw., 38 
montanum Hedw., 39 
palustre La Pyl, 37 
alatum Barnes, 37 
scoparium Hedw., 39 
undulatum Ehrb., 39 
viride B. S., 39 
Dictyophora duplicata, 534 
Ravenelii Burt., 525, 533, 534 
Dictyospherium pulchellum Wood, 
612, 617 | 
Diervilla diervilla (L.) MacM., 362, 
408 
Dilsea, 202 
Dimorphococcus, 617 
Dioscorea villosa L., 379 
Dioscoreaceze, 379 
Dirca palustris L., 366, 398, 558 
Distichium capillaceum B. S., 40 
Dodecatheon meadia 1L., 400 
Doellingeria umbellata ( Dill.) Nees, 
361, 539 
umbellata pubens (A. Gray) Brit- 
ton, 412, 596 
Dondia depressa (Pursh) Britton, 580 
Draba caroliniana Walt., 367, 389 
757 
Dracocephalum parviflorum Nutt., 591 
Drupacee, 584 
Drymocallis arguta (Pursh) Rydberg, 
583 
Dryopteris fragrans (L.) Schott, 619 
goldieana ( Hook.) A.Gray, 368, 370 
spinulosa (Retz.) Kuntze, 370 
thelypteris (L.) A. Gray, 361, 370 
Echinopanax horridum (Smith) Dec. 
& Planch., 620 
Ecklonia, 723, 730 
| Eleeagnaceze, 80, 121, 587 
Elzagnus, 122 
argentea Pursh, 587 
umbellata Thunb., 80, 87, 121, 130, 
TAT oe 
Eleocharis acicularis (L.) R. & S., 
356, 357, 376, 575 
intermedia (Muhl.) Schultes, 575 
Elodea, 54 
| Elymus canadensis L., 367, 375, 575; 
627, 628 
macouni Vasey, 569, 575 
virginicus L., 357, 375, 575 
Encalypta ciliata Hedw., 41 
Encyonema, 614 
Endocarpon, 221, 669 
arboreum Schwein., 281, 327 
fluviatile DC., 222, 223, 224 274, 
327, 797 
hepaticum Ach., 18, 286, 293, 294, 
296, 327, 707 
miniatum (LL. ) Schaer., 18, 227, 274, 
285, 290, 298, 299, 300, 326 
var. complicatum Schaer., 274, 
285, 287, 289, 326 
pusillum Hedw., 297, 300, 327, 
670, 707 
var. garovaglii Kph., 286, 293, 
294, 301, 327 
Endophyllacez, 537 
Endospheera, 198 
Erysiphe communis (Wallr.) Fr., 426 
Ephebe, 6, 282 
pubescens Fr., 224, 253, 313 
solida Born., 3, 14, 222, 224, 253 
Epilobium, 360 
adenocaulon Haussk., 362, 398 
coloratum Muhl., 362, 366, 398, 
539, 587 
